Cyber Risks · GreyNoise Blog

Storm⚡️Watch | Cyber Podcast | Russian Wi-Fi Hacks, Baltic Cable Sabotage, and Security Skills Poll Results

Summary: Russian APT28 breached a U.S. organization's network through a technique dubbed the "Nearest Neighbor Attack," exploiting nearby Wi-Fi networks via password spraying and compromised adjacent organizations, in an operation that occurred just before Russia's invasion of Ukraine. Two Baltic Sea undersea cables, the BSC East-West Interlink between Sweden and Lithuania and the C-Lion1 between Finland and Germany, were severed this November, causing network latency increases, with German Defense Minister Boris Pistorius suggesting the incidents were deliberate hybrid actions rather than accidents.

Key Takeaway: APT28 reached a U.S. network without touching it directly, by compromising the Wi-Fi of organizations next door - a reminder that your exposure includes every network within radio range of your building.

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Detection & Response
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